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| author |   Will Deacon <will@kernel.org> | 2021-03-19 10:01:09 +0000 |
|---|---|---|
| committer |   Marc Zyngier <maz@kernel.org> | 2021-03-19 12:01:19 +0000 |
| commit | 8d9902055c57548bb342dc3ca78caa21e9643024 (patch) | |
| tree | 66ac48d91ca18ab0e71a57531939766c69a8b559 | |
| parent | Merge tag 'v5.12-rc3' into kvm-arm64/host-stage2 (diff) | |
| download | linux-dev-8d9902055c57548bb342dc3ca78caa21e9643024.tar.xz linux-dev-8d9902055c57548bb342dc3ca78caa21e9643024.zip | |
arm64: lib: Annotate {clear, copy}_page() as position-independent
clear_page() and copy_page() are suitable for use outside of the kernel
address space, so annotate them as position-independent code.
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Quentin Perret <qperret@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210319100146.1149909-2-qperret@google.com
| -rw-r--r-- | arch/arm64/lib/clear_page.S | 4 | ||||
| -rw-r--r-- | arch/arm64/lib/copy_page.S | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm64/lib/clear_page.S b/arch/arm64/lib/clear_page.S index 073acbf02a7c..b84b179edba3 100644 --- a/arch/arm64/lib/clear_page.S +++ b/arch/arm64/lib/clear_page.S @@ -14,7 +14,7 @@ * Parameters: * x0 - dest */ -SYM_FUNC_START(clear_page) +SYM_FUNC_START_PI(clear_page) mrs x1, dczid_el0 and w1, w1, #0xf mov x2, #4 @@ -25,5 +25,5 @@ SYM_FUNC_START(clear_page) tst x0, #(PAGE_SIZE - 1) b.ne 1b ret -SYM_FUNC_END(clear_page) +SYM_FUNC_END_PI(clear_page) EXPORT_SYMBOL(clear_page) diff --git a/arch/arm64/lib/copy_page.S b/arch/arm64/lib/copy_page.S index e7a793961408..29144f4cd449 100644 --- a/arch/arm64/lib/copy_page.S +++ b/arch/arm64/lib/copy_page.S @@ -17,7 +17,7 @@ * x0 - dest * x1 - src */ -SYM_FUNC_START(copy_page) +SYM_FUNC_START_PI(copy_page) alternative_if ARM64_HAS_NO_HW_PREFETCH // Prefetch three cache lines ahead. prfm pldl1strm, [x1, #128] @@ -75,5 +75,5 @@ alternative_else_nop_endif stnp x16, x17, [x0, #112 - 256] ret -SYM_FUNC_END(copy_page) +SYM_FUNC_END_PI(copy_page) EXPORT_SYMBOL(copy_page) |